# SDR SWAA2025091506642

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2025
- Submitted: September 15, 2025
- Operation: Air carrier
- Aircraft: [N904WN](https://openairdocs.org/aircraft/N904WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36616
- Aircraft time: 57,229 hours, 34,462 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025091506642

## Discrepancy

ACB; CORROSION TO FWD SHIELD, BS 767 TO 787+5, RBL 21.  REMOVED AND REPLACED NEW ON ACB FWD SHIELD FROM BS 767 TO 794, RBL 21 IAW SRM 51-40-02 AND DWG 146A0081 0028, REV A.

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